100G QSFP28 CWDM4 DML 2km/10km Optical Transceiver

GIGALIGHT 100G QSFP28 CWDM4 optical transceiver are used for medium to long distance interconnections in data centers and are compliant with CWDM4 MSA specification and compatible with both 100G Ethernet and InfiniBand EDR transmission protocols. The product has a built-in pair of 4-channel CWDM MUX and DEMUX with center wavelengths of 1271nm, 1291nm, 1311nm and 1331nm, respectively, and uses a pair of single-mode fibers for transmission over distances up to 2km or 10km (both with FEC enabled).


  • Hot-pluggable, full-duplex transceiver module packaged in QSFP28 form factor
  • 4 channels DFB-based CWDM uncooled transmitter and PIN ROSA
  • Transmission rates of up to 25.78125Gbps per channel
  • Compliant with QSFP28 MSA and CWDM4 MSA Ethernet transport protocol
  • Compatible with 100GE and InfiniBand HDR transport protocols
  • Distance up to 2km or 10km using 1 pairs of single-mode fibers (both require FEC to be turned on)
  • Power consumption less than 3.5w
  • Dual LC optical connectors
  • Commercial and industrial grade operating temperature range
  • Supply voltage 3.3V
  • RoHS compliant (lead-free)
P/N Description
GQS-SPO101-CIR4C 100GE QSFP28 CWDM4 DML 2km Optical Module
GQS-SPO101-CIR4T Industrial-grade 100GE QSFP28 CWDM4 DML 2km Optical Module
GQS-SPO101- CLR4C 100GE QSFP28 CWDM4 DML 10km Optical Module
GQS-SPO101- CLR4T Industrial-grade 100GE QSFP28 CWDM4 DML 10km Optical Module

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